Pith Number

pith:UKGZ3L23

pith:2004:UKGZ3L23XQPKRC2VLH7AG7ZHF4

not attested not anchored not stored refs pending

New BBN limits on Physics Beyond the Standard Model from He4

Brian D. Fields, Evan Skillman, Keith A. Olive, Richard H. Cyburt

arxiv:astro-ph/0408033 v1 · 2004-08-02 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKGZ3L23XQPKRC2VLH7AG7ZHF4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

2 papers in Pith

Superhorizon curvature perturbations in hybrid inflation revisited

Scalar induced gravitational waves review

Receipt and verification

First computed	2026-07-04T15:17:24.302918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28d9daf5bbc1ea88b5559fe037f272f16091e20cd2c6a67b39bf91af7bec268

Aliases

arxiv: astro-ph/0408033 · arxiv_version: astro-ph/0408033v1 · doi: 10.48550/arxiv.astro-ph/0408033 · pith_short_12: UKGZ3L23XQPK · pith_short_16: UKGZ3L23XQPKRC2V · pith_short_8: UKGZ3L23

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UKGZ3L23XQPKRC2VLH7AG7ZHF4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a28d9daf5bbc1ea88b5559fe037f272f16091e20cd2c6a67b39bf91af7bec268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dce3af2feb711eb25d939a09fbf3c51b97d5becdfa00fad605a1b3cd568171d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-02T20:08:40Z",
    "title_canon_sha256": "0f77d9e533be1f24b49a8d5b5f3f3722e90f65ce43ee2439a86a68ade916e5fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408033",
    "kind": "arxiv",
    "version": 1
  }
}